TestingPlatformSupport: register Platform instance correctly

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridgeTest.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 1236 matching lines @@
   postAndWaitDestroyBridgeTask(BLINK_FROM_HERE, testThread.get(), &bridge);
 }
 
 #if USE_IOSURFACE_FOR_2D_CANVAS
 TEST_F(Canvas2DLayerBridgeTest, DeleteIOSurfaceAfterTeardown)
 #else
 TEST_F(Canvas2DLayerBridgeTest, DISABLED_DeleteIOSurfaceAfterTeardown)
 #endif
 {
   FakeGLES2InterfaceWithImageSupport gl;
-  FakePlatformSupport testingPlatformSupport;
+  ScopedTestingPlatformSupport<FakePlatformSupport> platform;
   std::unique_ptr<FakeWebGraphicsContext3DProvider> contextProvider =
       WTF::wrapUnique(new FakeWebGraphicsContext3DProvider(&gl));
 
   cc::TextureMailbox textureMailbox;
   std::unique_ptr<cc::SingleReleaseCallback> releaseCallback;
 
   {
     Canvas2DLayerBridgePtr bridge(adoptRef(new Canvas2DLayerBridge(
         std::move(contextProvider), IntSize(300, 150), 0, NonOpaque,
         Canvas2DLayerBridge::ForceAccelerationForTesting, nullptr,
         kN32_SkColorType)));
     bridge->PrepareTextureMailbox(&textureMailbox, &releaseCallback);
   }
 
   bool lostResource = false;
   releaseCallback->Run(gpu::SyncToken(), lostResource);
 
   EXPECT_EQ(1u, gl.createImageCount());
   EXPECT_EQ(1u, gl.destroyImageCount());
 }
 
 }  // namespace blink